Electrical and Computer Engineers, this video is for you! White Hat Officer Nate Graff introduces various fields of security that require hardware engineering. Nate also talks some wild hardware exploits and the recent event attributed to the infectious Internet of Things.

In this Monthly Briefing, Ray Potter, CEO of SafeLogic will provide a first-hand assessment of the challenges and opportunities associated with the application of cryptography to industrial control systems.
SafeLogic is the creator of cryptographic engines used by major hardware and software vendors.
In addition to Mr. Potter, ICS-ISAC Chair Chris Blask will provide an update on the Center and related issues.
Designed to benefit both the technical & non-technical attendee the Member Briefing series takes a no-nonsense approach to addressing issues that cut across industry, sector, and job function. So whether you are hands-on ICS, administrator, or C-level decision-maker you will find valuable information that you can take and implement to further secure your industrial control systems

I review the Kingston DT2000 encrypted drive featuring a keypad. You can locks the drive with a or number combination for protection. The auto-lock feature is activated when the drive is removed from a device, and it deletes the encryption key after 10 failed intrusion attempts. It features hardware-based, full disk AES 256-bit data encryption in XTS mode. Encryption is done on the drive, not on the host computer, and no trace of the PIN is left on the system, for an advanced level of security. DataTraveler 2000 is OS independent and can be used on any device with a USB 2.0 or USB 3.1 Gen 1 (USB 3.0) port. It’s compatible with Windows®, Mac OS, Linux, Chrome OS, Android, thin clients and embedded systems, and the drive requires no software or drivers.
Get it here: http://kings.tn/SKBDT2000
Kingston YouTube Channel: https://www.youtube.com/user/KingstonTechMemory/
Other places I hang out:
FaceBook Fan Page: http://goo.gl/pZsjC
Twitter: http://twitter.com/soldierknowbest
Instagram: http://instagram.com/markwatson
Google+: http://goo.gl/P972A

This was my first (semi-successful) project during undergrad. I apologize for the amateur video and sound quality. All recording was done on a Nokia smartphone. Other team members included Mihir Patel and Saurabh Tembhurne.
The motivation here is to use the powerline to establish communication between electronic devices. The laptop seen in the video is a central server. We use a cheap ($10) mobile phone to receive a text message. The phone is connected to the server (laptop) via Bluetooth. Server runs a python script that constantly pings the mobile phone through a COM port. Once the phone receives an SMS with an encoded message, the server sends an appropriate signal to the electronic device. In this case, we use LEDS as an electronic device.
In the case of IoT, security is of prime concern. We had few simple security checks including checking for authorized mobile phone numbers that can send the signals. But it is possible to introduce additional cryptographic checks for robustness.
Important learning: power lines are noisy. We had to isolate the circuit from the power line in this demonstration.

At the headquarters of Cloudflare, in San Francisco, there's a wall of lava lamps: the Entropy Wall. They're used to generate random numbers and keep a good bit of the internet secure: here's how.
Thanks to the team at Cloudflare - this is not a sponsored video, they just had interesting lava lamps! There's a technical rundown of the system on their blog here: https://blog.cloudflare.com/lavarand-in-production-the-nitty-gritty-technical-details
Edited by Michelle Martin, @mrsmmartin
I'm at http://tomscott.com
on Twitter at http://twitter.com/tomscott
on Facebook at http://facebook.com/tomscott
and on Snapchat and Instagram as tomscottgo

Panel Discussion at RSA 2019 in San Francisco CA
Why Industrial IoT Security is Really About Saving Lives
Moderator: Emily Miller, Mocana
Industrial control systems simply cannot tolerate any downtime, or risk human safety in any way. A compromise can result in millions of dollars lost — but even more devastatingly — the loss of life. This talk will offer new approaches to protecting industrial control systems and critical infrastructure and focus on the importance of human safety that’s at risk when these devices are compromised.
Participants in this panel discussion include:
* Emily Miller, Moderator:
Director of National Security and Critical Infrastructure Programs for Mocana
* Galina Antoya, Co-founder, Claroty
* John Felker, Director of the National Cybersecurity & Communications Integration Center (NCCIC), CS&C, Department of Homeland Security
* Lorie Wigle, Vice President, Software & Services Group, Intel
In a Global State of Information Security Survey, the energy sector has experienced a six-fold increase in the growing number of cybersecurity threats. Energy and electric utility grids are targets for nation state-sponsored cyber attacks. With many legacy devices in power generation, transmission and distribution SCADA networks, energy networks are vulnerable. Network detection and firewalls are not strong enough to keep determined hackers out. Many DCS systems, substation automation systems, IEDs, RTUs, and controllers for turbines, generators, and compressors are vulnerable due to a lack of strong, embedded cryptographic controls, including: multi-factor authentication, secure boot, secure update, and secure, encrypted communications. Read more at https://www.mocana.com/solutions/ong
According to the Department of Homeland Security, there are 6,413 power plants in the US generating 1,075 gigawatts of power. Perimeter-based defenses and threat detection technologies are not enough to defend against modern cyber attacks. Our electric grids are under attack by nation states. Many legacy programmable logic controllers (PLCs), intelligent edge devices (IEDs), remote terminal units (RTUs), controllers, gateways, and Industrial Internet of Things (IIoT) edge devices are vulnerable due to a lack of basic cryptographic controls such as: multi-factor authentication, secure boot, secure update, and secure, encrypted communications.
Electric utilities industrial automation manufacturers must ensure compliance with cybersecurity standards such as NERC CIP 003, NIST 800-53, IEC 62443-3-3, and FIPS 140-2. Keeping up with these standards as well as emerging standards from the Industrial Internet Consortium (IIC) and Industrie 4.0 is challenging. Read more here: https://www.mocana.com/solutions/electricity
The need to save lives by protecting data and infrastructure is obvious in the medical field. MPO magazine says there are 6+ million medical devices in the market and 6,500+ manufacturers in the U.S. alone. Aging medical devices such as imaging equipment, pumps, surgical equipment, implantable medical devices, hospital and home patient monitors, and medical Internet of Things (IoT) edge devices are vulnerable due to a lack of strong cryptographic controls, including: multi-factor authentication, secure boot, secure update, and secure, encrypted communications.
Medical equipment manufacturers and healthcare providers must ensure compliance with HIPAA, HITECH Breach, and cybersecurity standards such as NIST 800-53, Revision 4, IEC 62443-3-3, and FIPS 140-2. Keeping up with these standards as well as emerging standards from the Industrial Internet Consortium (IIC) and Industrie 4.0 can be challenging. New regulations such as GDPR in Europe raise the stakes for non-compliance to more than €20 million per incident. Older protocols such as Modbus, DNP3 and BacNet can be difficult to secure. Read more at https://www.mocana.com/solutions/medical
In the field of manufacturing: Industrial automation manufacturers and critical infrastructure operators must ensure compliance with cybersecurity standards such as NIST 800-53, IEC 62443-3-3, and FIPS 140-2. Furthermore, certain industries must comply with additional standards such as NERC CIP 003 for electric utilities and DO-178 for avionics. Keeping up with these standards as well as emerging standards from the Industrial Internet Consortium (IIC) and Industrie 4.0 is challenging. Older protocols such as Modbus, DNP3 and BacNet can be difficult to secure. Read more at https://www.mocana.com/solutions/manufacturing
To learn more about partnering with Mocana, contact us via email at [email protected] or go to https://www.mocana.com/become-a-partner
Be sure to subscribe to our YouTube channel!

This talk will introduce you to Industrial Ethernet Switches and their vulnerabilities. These are switches used in industrial environments, like substations, factories, refineries, ports, or other homes of industrial automation. In other words: DCS, PCS, ICS & SCADA switches.
The researchers focus on attacking the management plane of these switches, because we all know that industrial system protocols lack authentication or cryptographic integrity. Thus, compromising any switch allows the creation of malicious firmwares for further MITM manipulation of a live process. Such MITM manipulation can lead to the plant or process shutting down (think: nuclear reactor SCRAM) or getting into a unknown and hazardous state (think: damaging a blast furnace at a steel mill)
Not only will vulnerabilities be disclosed for the first time, but the methods of finding those vulnerabilities will be shared. All vulnerabilities disclosed will be in the default configuration state of the devices. While these vulnerabilities have been responsibly disclosed to the vendors, SCADA/ICS patching in live environments tends to take 1-3 years. Because of this patching lag, the researchers will also be providing live mitigations that owner/operators can use immediately to protect themselves. At least four vendors switches will be examined: Siemens, GE, Garrettcom and Opengear.
Colin Cassidy is a security consultant for IOActive where he focuses on Industrial Control Systems. He has a strong development and software engineering background. He is also a seasoned leader in the areas of security and software engineering. Before joining IOActive, Cassidy served for a number of years as Technical Manager and Security Technical Lead for IGE Energy Services, Ltd, part of GE Energy. He has hands-on experience with PowerOn Fusion, a leading Outage Management System/Distribution Management System (OMS/DMS) solution for electricity distribution management. He also led a team of developers in producing new functionality within the core product and worked with customers to understand their requirements. Colin Cassidy has a BSc (Hons) in Computing Science from the University of Glasgow.
Twitter: @parttimesecguy
Éireann Leverett hates writing bios in the third person. He once placed second in an Eireann Leverett impersonation contest. He likes teaching the basics, and learning the obscure. He is sometimes jealous of his own moustache for being more famous than he is. If he could sum up his life in one sentence; he wouldn't. That would be a life-sentence! He is primarily known for smashing the myth of the air-gap in industrial systems with his master's thesis, finding authentication bypasses for industrial ethernet switches, and working with incident response teams to improve their understanding of industrial control systems security. He believes security takes an awful lot more than penetration-testing and speaks often about the wider effects of embedded system insecurity.
Twitter: @blackswanburst
Robert M. Lee is a co-founder of Dragos Security LLC where he has a passion for control system protocol analysis, digital forensics, and threat intelligence research. He is also an active-duty U.S. Air Force Cyber Warfare Operations Officer where he has been a member of multiple computer network defense teams including his establishing and leading of a first-of-its-kind ICS/SCADA threat intelligence and intrusion analysis mission. Robert received his BS from the United States Air Force Academy and his MS in Cybersecurity Digital Forensics from Utica College. He is a passionate educator and teaches in the ICS and Forensics programs at SANS and is an Adjunct Lecturer at Utica College where he teaches in their MS Cybersecurity program. Robert is also the author of 'SCADA and Me' and is currently pursuing his PhD at Kings College London with research in control system cyber security. He routinely publishes academic and industry focused works in a wide variety of journals and publications; additionally he has presented at conferences around the world.
Twitter: @RobertMLee

Lecture Series on Digital Voice and Picture Communication by Prof.S. Sengupta, Department of Electronics and Electrical Communication Engg ,IIT Kharagpur . For more details on NPTEL visit http://nptel.iitm.ac.in

If you like this video and want to support me, go this page for my donation crypto addresses:
https://www.youtube.com/c/mobilefish/about
This is part 19 of the IOTA tutorial.
In this video series different topics will be explained which will help you to understand IOTA.
It is recommended to watch each video sequentially as I may refer to certain IOTA topics explained earlier.
The main objective of this video is to provide you with some basic knowledge about Masked Authenticated Messaging.
IOTA is specific developed for Internet of Things (IoT) or Machine-to-Machine (M2M) economy.
IoT devices will generate a huge amount of data which can be stored on the Tangle.
These IoT devices can broadcast data using different types of wireless technologies, such as WiFi, BlueTooth, LoRa, ZigBee, etc.
This LoRa node transmits sensor data to a receiver, also called LoRa gateway.
The LoRa gateway is connected to the Internet and sends the data to a server.
This server is running a NodeJS Masked Authenticated Messaging (MAM) application which in turn sends sensor data to the Tangle.
Masked Authenticated Messaging means:
- The message is encrypted (Masked).
- The message is confirmed to be coming from the device (Authenticated).
- A continuous message stream is created on the Tangle and will carry on until the device stop publishing the data (Messaging).
Masked Authenticated Messaging is a module build on top of IOTA that makes it possible to send messages fully encrypted from authenticated parties.
IOTA Masked Authenticated Messaging (MAM) makes it possible for sensors and other devices to encrypt entire message streams and securely store those in the Tangle each on a separate address.
Only authorised parties will be able to read and reconstruct the entire message stream.
In MAM only those with the right channel IDs get access to the message.
IOTA uses the gossip protocol to propagate messages through the network.
Bob publishes sensor data to the Tangle under channel id "ABC".
Alice is interested in Bob's sensor data and subscribe to his channel id.
When a message with channel id "ABC" reaches Alice's node, she will be notified.
Messages from Charlie will be ignored.
In a Masked Authenticated Messaging stream or message chain, every message holds a reference to the next message.
The message stream only flows one direction.
A subscriber with a channel ID has no access to the upstream messages.
In a Masked Authenticated Messaging stream the message is encrypted (masked) and the message also contains a signature.
The signature proves that the publisher created the message.
Interesting points to remember:
The channel ID is also called the root.
The message is attached to the Tangle using this root.
When the message is attached to the Tangle, the transaction does not need to be confirmed.
After a snapshot all messages are deleted from the Tangle.
The messages are still available, if the subscriber is connected to a permanode.
A Masked Authenticated Messaging Demo:
https://www.mobilefish.com/services/cryptocurrency/mam.html
This demo uses the MAM Javascript library mam.web.js for web applications.
The MAM Javascript library publish transactions to the Tangle that contain only messages, with no value.
The MAM Client JS Library is a wrapper library which uses the WebAssembly iota-bindings-emscripten.wasm file.
- WebAssembly is a new binary format for executing code on the web.
- Rust is a programming language similar to C++.
- Emscripten is a source-to-source compiler which can also produce WebAssembly.
The side_key is used to encrypt and decrypt the message.
The side_key is required when using the restricted mode.
The publisher publishes messages using the root.
The publisher can choose the following channel modes:
- Public: address = root
Messages can be unwrapped by anybody using the address.
- Private: address = hash(root)
Messages can only be unwrapped if you have the right root, and the root can‘t be deducted from the address due to the hash.
- Restricted: address = hash(root)
Messages can only be unwrapped if you have the right root and side_key.
The MAM library creates the masked payload and calls the iota.api.sendTransfer function.
The sendTransfer function in turn calls the iota.api.prepareTransfers function which divides the masked payload in smaller parts.
Each part size will be 2187 trytes, representing a signatureMessageFragment.
A transaction object is created for each part.
The transaction objects together forms a transaction bundle.
Check out all my other IOTA tutorial videos:
https://www.youtube.com/playlist?list=PLmL13yqb6OxdIf6CQMHf7hUcDZBbxHyza
Subscribe to my YouTube channel:
https://www.youtube.com/channel/UCG5_CT_KjexxjbgNE4lVGkg?sub_confirmation=1
The presentation used in this video tutorial can be found at:
https://www.mobilefish.com/developer/iota/iota_quickguide_tutorial.html
#mobilefish #howto #iota

With all six Infinity Stones and a snap of the fingers, Thanos achieved his goal of wiping out half the life in the universe. While those who got dusted appeared to be random, is there actually a scientific explanation to how the Infinity Gauntlet determined everyone's fate? Some people move on, but not Kyle in this week's episode of Because Science!
Grab your new Because Science merch here: https://shop.nerdist.com/collections/because-science
Subscribe for more Because Science: http://bit.ly/BecSciSub
More science: http://nerdist.com/topic/science-tech/
Watch more Because Science: http://nerdi.st/BecSci
Follow Kyle Hill: https://twitter.com/Sci_Phile
Follow us on FB: https://www.facebook.com/BecauseScience
Follow us on Twitter: https://twitter.com/becausescience
Follow us on Instagram: https://www.instagram.com/becausescience
Follow Nerdist: https://twitter.com/Nerdist
Because Science every Thursday.
Learn More:
HARDWARE RANDOM NUMBER GENERATOR: https://en.wikipedia.org/wiki/Hardware_random_number_generator
LAVARAND: https://en.wikipedia.org/wiki/Lavarand
“qSTREAM” TRNG: https://www.quintessencelabs.com/products/qstream-quantum-true-random-number-generator/
#becausescience #Marvel #Thanos

Hundreds of Army missions depend on aircraft for transport, patrol and flight training. Instruments, lights, weapons, ignition systems, landing gears and many other aircraft parts are powered by electricity. It's up to the members of the aircraft electrician team to ensure that the electrical systems on helicopters are properly maintained and repaired.
The AH-64D Armament/Electrical/Avionic Systems Repairer is primarily responsible for supervising, inspecting and performing maintenance on the armament, electrical and avionic systems of the AH-64D helicopter, a twin-engine attack helicopter. Some of your duties as an AH-64D Armament/Electrical/Avionic Systems Repairer may include:
-Diagnose, troubleshoot and repair malfunctions in the AH-64D armament, electrical and avionic systems and components
-Perform maintenance, authorize modifications and alignment on weapons components, fire control units, sighting elements, electronic and mechanical devices
-Perform operational and preventive checks on aircraft flight controls, stabilization systems, avionics and controlled cryptographic equipment
-Troubleshoot equipment wiring harnesses
-Test, troubleshoot and repair diagnostic equipment
-Maintain records on weapons and subsystems

Welcome to this ESP32 Deep Sleep tutorial with the Arduino IDE! Today we are going to learn how to put the ESP32 chip into the Deep Sleep mode in order to conserve power and make our projects battery friendly. There is a lot to cover so let’s get started!
The ESP32 chip is a fantastic new chip with great features. It offers a lot of processing power, two 32 bit cores, a lot of memory, Bluetooth and WiFi in a small and easy to use chip. One of the most interesting things about the ESP32 chip is that it offers a low-power deep sleep mode which is very easy to use. Let’s see how to use it.
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WHERE TO BUY
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DOIT ESP32: http://educ8s.tv/part/ESP32
Firebeetle ESP32: http://educ8s.tv/part/FireBeetle
LEDs: http://educ8s.tv/part/LEDs
Resistors: http://educ8s.tv/part/Resistors
Small Breadboard: http://bit.ly/SmallBreadboard
Jumper Wires: http://bit.ly/JumperWiresB
Multimeter: http://educ8s.tv/part/Multimeter
Full disclosure: All of the links above are affiliate links. I get a small percentage of each sale they generate. Thank you for your support!
Inside the ESP32 chip, we can find the two processing cores, the RAM and ROM memory, the WiFi module, the Bluetooth Module, a hardware acceleration module for cryptographic applications, the RTC module, and a lot of peripherals. Inside the RTC module, we can find a PMU (Phasor measurement unit) a small and very low power 32-bit co-processor, and 8Kbs of RAM memory. This small amount of memory is very useful as you are going to find out in a moment. Also note, even the RTC memory of the ESP32 chip is 4 times larger than the memory of the Arduino Uno.
The WiFi modules, the Processing Cores, and the Bluetooth module require a lot of current to operate. So, if we want to conserve power we have to disable them when don’t use them. This is what we are going to do now. We are going to put the ESP32 to Deep – Sleep mode where it disables everything except the RTC module. There is a light sleep mode and the Deep – Sleep mode. In Deep Sleep mode the ESP32 offers the lowest power consumption. It just needs 0.01 mAs of current in Deep Sleep mode and that’s why we are going to try today.
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CODE OF THE PROJECT
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📥 http://educ8s.tv/esp32-deep-sleep-tutorial
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Fact or Fiction 2018 Quiz Game
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You can download my latest Android Game which is called Fact or Fiction 2018 here:
📥 http://bit.ly/FactOrFiction2018
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MORE PROJECTS
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Arduino Datalogger: https://www.youtube.com/watch?v=oei3Y6tOhVI
Arduino Weather Station Project: https://www.youtube.com/watch?v=9jN-3DtS1RI
Arduino Nokia 5110 LCD Display: https://www.youtube.com/watch?v=aDwrMeu4k9Y
Arduino OLED display tutorial: https://www.youtube.com/watch?v=A9EwJ7M7OsI
DIY Arduino: https://www.youtube.com/watch?v=npc3uzEVvc0
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ABOUT EDUC8S.TV
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Educ8s.tv is a Youtube channel and website which is dedicated in developing high quality videos about DIY hardware and software projects. In this channel we develop projects with Arduino, Raspberry Pi, we build robots and simple electronic circuits. Check out our website as well for more information: http://www.educ8s.tv
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SUBSCRIBE ON YOUTUBE
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Never miss a video: https://www.youtube.com/subscription_center?add_user=educ8s

http://imcom.korea.army.mil
Welcome to US Army, IMCOM-Korea
IMCOM-Korea supports Soldiers, Civilians and Family Members with Army-standard installation facilities, spacious housing areas, 5-star restaurants, new first-rate recreational centers, and spectacular access to Korean food and culture.
Korea is a great place to live, work or visit. Whether this is your first tour to Korea or a return assignment, you can look forward to a personally and professionally rewarding experience in the Land of the Morning Calm.
To learn more about living and serving with the US Army in Korea, visit us online at http://imcom.korea.army.mil
To learn about serving in the US Army, visit http://www.goarmy.com
Hundreds of Army missions depend on aircraft for transport, patrol and flight training. Instruments, lights, weapons, ignition systems, landing gears and many other aircraft parts are powered by electricity. It's up to the members of the aircraft electrician team to ensure that the electrical systems on helicopters are properly maintained and repaired.
The AH-64A Armament/Electrical Systems Repairer is primarily responsible for performing aviation unit, intermediate and depot maintenance on the electrical, electronic, mechanical and pneudraulics systems associated with the AH-64A Apache helicopter, a twin-engine, four-bladed, multi-mission attack helicopter.
Here are some of the duties of an AH-64A Armament/Electrical Systems Repairer:
- Diagnose, troubleshoot and repair malfunctions in the AH-64A armament, electrical and avionic systems and components
- Perform maintenance, authorized modifications and alignment on weapons components, fire control units, sighting elements, electronic and mechanical devices
- Perform operational and preventive checks on aircraft flight controls, stabilization systems, avionics and controlled cryptographic equipment
- Perform ammunition loading/unloading and weapon subsystems configuration changes for all AH-64A fire control systems
- Maintain facilities for storage of weapons, ammunition and weapons cleaning equipment and supplies
- Troubleshoot equipment wiring harnesses
- Test, troubleshoot and repair diagnostic equipment
- Maintain records on weapons and subsystems

ARPA is a Privacy-Preserving, Secure Computation Network Compatible With Blockchains as a layer 2 solution. They propose a blockchain-based secure computation network based on Multi-party Computation (MPC).
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Stay in the loop with ARPA by following us on Telegram, Twitter and Medium.
Website: www.arpachain.io
Telegram: https://t.me/arpa_community
Medium: https://medium.com/@arpa
Twitter: https://twitter.com/arpaofficial
To get more information about ARPA, or email at [email protected]
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►Join The BCB Tele https://t.me/BlockchainBradCommunity
► Follow on twitter: https://twitter.com/Brad_Laurie
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Why does APRA matter? Well, Secure Multi-Party Computation (MPC) tech allows a set of parties to jointly compute a function over their inputs while keeping them private. The correctness of computation is verifiable even under majority malicious condition using secret sharing and information theoretic Message Authentication Code (MAC). ARPA is tackling the privacy challenge by cryptographically enabling private smart contract, unprecedented data-at-use privacy protection, as well as embedding scalable computational sharding.
Interviewee:
Felix Xu
NYU Stern School of Business, 5+ years of experience in, Venture Capital @ Fosun Group
Mission:
1) Efficient private smart contract for DApp developers
2) Privacy-preserving individual & enterprise data renting
3) Highly scalable infrastructure via computational sharding
Features:
Privacy & Security
MPC allows a set of parties to jointly compute a function over their inputs while keeping them private. The correctness of computation is verifiable even under majority malicious condition.
Flexibility & Compatibility
ARPA network is flexible, easy-to-use, and compatible with existing blockchains such as Ethereum and EOS. Let’s rethink blockchain for the real world: Privacy-preserving smart contracts at scale and data renting.
Scalability & Efficiency
Lightning fast performance for mass adoption via verifiable computation. Off-chain computation network capable of industrial-level computation and storage.
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INVESTMENT DISCLOSURE:
I have not Invested in this project. This is not Financial Advice. #DYOR always.
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PAYMENT/DONATION DISCLOSURE:
This was 100% free and I received no financial compensation from the ARPA Team for doing this video; not in fiat, tokens or any form on payment. Since several months ago, I decided to do only free content unless legitimate ambassadorships were involved. I believe that sponsored content is not a problem if disclosed, but this was NOT sponsored and there was absolutely no compensation received in any way, shape or form for this interview that I receive. For additional disclosure, I want to let you know that I have not yet invested in this project. This is not Financial Advice. Please #DYOR
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GENERAL DISCLAIMER:
The information provided is not to be considered as a recommendation to buy or invest in certain assets or currencies and is provided solely as an educational and information resource to help traders make their own decisions. Past performance is no guarantee of future success.
It is important to note that no system or methodology has ever been developed that can guarantee profits or ensure freedom from losses. No representation or implication is being made that using the attached material will guarantee profits or ensures freedom from losses.
BlockchainBrad shall not be liable to the participant for any damages, claims, expenses or losses of any kind (whether direct or indirect) suffered by the participant arising from or in connection with the information obtained this website or directly from the website owner.
#arpa #blockchainbrad #sharding #multi-party #computation #blockchain #layer2solution #MPC #Privacy-Preserving #BCB

www.keypersystems.com or call us at 704-455-9400
KEYper Systems, based in Harrisburg, NC is a global company committed to providing you with the best solutions in key track services, key management, padlock management for your "lock out / tag out" procedures, and asset control of equipment.

Introduction to Security APIs, by Graham Steel
A security API is an Application Program Interface that allows untrusted code to access sensitive resources in a secure way. It is the interface between processes running with different levels of trust. Examples of security APIs include the interface between the tamper-resistant chip on a smartcard (trusted) and the code running on the client application (untrusted), the interface between a cryptographic Hardware Security Module (or HSM, trusted) and the host machine (untrusted), and web service APIs (an interface between a server, trusted by the service provider, and the rest of the Internet).
In this lecture, we will introduce security APIs with plenty of examples of attacks from real world applications ranging from authentication tokens to electricity meters to PIN processing in cash machine networks. We will introduce analysis techniques for such APIs that facilitate detection of flaws and ultimately the design of a secure API.
Learning Objectives
This talk covers
+ what a security API is and what it's for
+ real world examples of vulnerabilities
+ methodologies for secure API design
It was delivered by Graham Steel at SecAppDev 2013.
Graham Steel holds a masters in mathematics from the University of Cambridge and a PhD in informatics from the University of Edinburgh. He is currently a researcher at INRIA, the French national agency for computer science research, where he is part of the Prosecco project team based in central Paris.
Steel's main research interests are in formal analysis of information security and applied cryptography. His current work on cryptographic API verification involves using formal techniques to construct and analyse abstract models of cryptographic device interfaces. In addition to international conference and journal publications, his recent results have featured in Wired magazine and the New York Times.
He has taught courses on security APIs at Tsinghua University (Beijing) and the University of Venice (Italy) as well as organising a Dagstuhl seminar on the subject.

Integrity Protection and Access Control - Who Do You Trust? - Glenn Wurster, BlackBerry
Without file-system and boot integrity for all storage, on-line access control against a physical attacker is a masquerade. Using an off-line attack, an attacker can change the permissions, contents, and even the SELinux label of a file not integrity protected. What does SELinux do if it can't trust its labels? One solution is to encrypt all file-systems using hardware backed keys. In this talk I will start by talking about a LSM created for the BlackBerry Priv that ties running with elevated privileges (including SEAndroid domains) to integrity protection. The approach is designed to limit the risk of a system service executing a binary on the user data partition with elevated privileges. After talking about the specific LSM developed, I will expand the focus to the general intersection between integrity protection and access control.
About Glenn Wurster
Glenn Wurster is currently a Principal Security Researcher with BlackBerry. He has presented at conferences including Usenix Enigma, ACM CCS, Usenix HotSec, and IEEE S&P. He co-chaired ACM SPSM in 2015 and is on the program committee for Usenix WOOT and ACM SPSM in 2016. He is currently involved in operating system security for both Linux (as a result of his ongoing work with the Android based BlackBerry Priv smartphone) and QNX (as a result of his ongoing work with BlackBerry 10 smartphones). His current research is focused on mandatory access control and mitigations against security vulnerabilities. He received his Ph.D. in 2010, where his thesis focused on mechanisms which encouraged secure-by-default development behaviour by constraining dangerous permissions.

https://media.ccc.de/v/34c3-9029-uncovering_vulnerabilities_in_hoermann_bisecur
An AES encrypted radio system
Hoermann BiSecur is a bi-directional wireless access control system “for the convenient and secure operation of garage and entrance gate operators, door operators, lights […]” and smart home devices. The radio signal is AES-128 encrypted and the system is marketed to be “as secure as online banking”. In comparison to conventional and often trivial to break wireless access control systems, the system should thus make it practically infeasible to clone a genuine transmitter so that attackers can get unauthorized access. We used the low-cost CCC rad1o software defined radio (SDR) platform to intercept and analyze the wireless radio signal. We took apart several Hoermann BiSecur hand transmitters and subsequently utilized a vulnerability in the microcontroller to successfully extract the firmware. In order to conduct a security audit, the extracted firmware was disassembled and analyzed so that the encryption mechanism, the key material, the cryptographic operations as well as the RF interface could be reverse engineered. Our security analysis shows that the overall security design is sound, but the manufacturer failed to properly initialize the random seed of the transmitters. As a result, an attacker can intercept an arbitrary radio frame and trivially compute the utilized encryption key within less than a second. Once the key is known to the attacker, a genuine transmitter can be cloned with an SDR platform such as the CCC rad1o. In addition to unauthorized operation of gates and doors, there is a likely (although currently untested) impact on Smart Home appliances that use the BiSecur system. We tested a total of 7 hand transmitters from 3 different model series and with manufacturing dates between 2015 and 2017. All analyzed hand transmitters shared the same static random seed and were found to be vulnerable to our attack. The vulnerability can easily be fixed so that future hand transmitters and radio transmission are protected from our attack.
In our CCC talk we plan to give a step-by-step presentation on how we analyzed and subsequently broke the Hoermann BiSecur system. This includes the following topics:
- Overall system overview
- Radio signal analysis with the CCC rad1o SDR platform
- Reverse engineering of the radio signal
- Hardware analysis of BiSecur transmitters
- Firmware extraction from the microcontroller by exploiting a security flaw in the PIC18F controller
- Firmware disassembly and reverse engineering with IDA Pro
- Analysis results providing a technical overview of how the BiSecur system operates including the encryption scheme (with AES-128 at its core) and RF operations
- Presentation of our attacks (signal cloning of genuine transmitters)
- Live-Hacking Demo with the CCC rad1o SDR platform
- Suggested security fix
Markus Muellner Markus Kammerstetter
https://fahrplan.events.ccc.de/congress/2017/Fahrplan/events/9029.html

http://imcom.korea.army.mil
Welcome to US Army, IMCOM-Korea
IMCOM-Korea supports Soldiers, Civilians and Family Members with Army-standard installation facilities, spacious housing areas, 5-star restaurants, new first-rate recreational centers, and spectacular access to Korean food and culture.
Korea is a great place to live, work or visit. Whether this is your first tour to Korea or a return assignment, you can look forward to a personally and professionally rewarding experience in the Land of the Morning Calm.
To learn more about living and serving with the US Army in Korea, visit us online at http://imcom.korea.army.mil
To learn about serving in the US Army, visit http://www.goarmy.com
Hundreds of Army missions depend on aircraft for transport, patrol and flight training. Instruments, lights, weapons, ignition systems, landing gears and many other aircraft parts are powered by electricity. It's up to the members of the aircraft electrician team to ensure that the electrical systems on helicopters are properly maintained and repaired.
The AH-64D Armament/Electrical/Avionic Systems Repairer is primarily responsible for supervising, inspecting and performing maintenance on the armament, electrical and avionic systems of the AH-64D helicopter, a twin-engine attack helicopter. Some of your duties as an AH-64D Armament/Electrical/Avionic Systems Repairer may include:
- Diagnosing, troubleshooting and repairing malfunctions in the AH-64D armament, electrical and avionic systems and components
- Performing maintenance, authorized modifications and alignment on weapons components, fire control units, sighting elements, electronic and mechanical devices
- Performing operational and preventive checks on aircraft flight controls, stabilization systems, avionics and controlled cryptographic equipment
- Troubleshooting equipment wiring harnesses
- Testing, troubleshooting and repairing diagnostic equipment
- Maintaining records on weapons and subsystems

For more information: http://bit.ly/Chorus-SPC5
The SPC58 "Chorus" products are the latest in the successful SPC5 family with enhanced scalability, connectivity, and security. The SPC58 targets a number of automotive applications including in-car gateways, firmware updates over-the-air, electric-vehicle battery management, lighting and body control units, and advanced parking applications.
Premium vehicles today typically now have around 130 electronic control units (ECUs). These are networked to control about 150 motors and actuators. With this in mind the SPC58 line has been designed with scalable performance options, memory sizes, package options and a host of networking interfaces, all secured with the latest cryptographic HSM.
The SPC58 “Chorus” automotive MCUs includes the http://bit.ly/SPC58-B-Line, http://bit.ly/SPC58_C_Line, http://bit.ly/SPC58_G_Line, and coming soon, the SPC58 H Line.
For all detailed technical questions, please check out our community site at http://bit.ly/ST-COMMUNITY where you can meet and exchange with ST FAES, employees and other engineers.

HOW TO MINE BITCOIN? - Step by Step Tutorial - Bitcoin Mining Explained
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http://imcom.korea.army.mil
Welcome to US Army, IMCOM-Korea
IMCOM-Korea supports Soldiers, Civilians and Family Members with Army-standard installation facilities, spacious housing areas, 5-star restaurants, new first-rate recreational centers, and spectacular access to Korean food and culture.
Korea is a great place to live, work or visit. Whether this is your first tour to Korea or a return assignment, you can look forward to a personally and professionally rewarding experience in the Land of the Morning Calm.
To learn more about living and serving with the US Army in Korea, visit us online at http://imcom.korea.army.mil
To learn about serving in the US Army, visit http://www.goarmy.com
Hundreds of Army missions depend on aircraft for transport, patrol and flight training. Instruments, lights, weapons, ignition systems, landing gear and many other aircraft parts are powered by electricity. It's up to the members of the aircraft electrician team to ensure that the electrical systems on airplanes and helicopters are properly maintained and repaired.
The Avionic Mechanic is primarily responsible for performing maintenance on tactical communications-security, navigation and flight control equipment. Here are some of the duties of an Avionic Mechanic:
- Performing operational and preventive checks and alignments on aircraft flight controls, stabilization systems, avionics and controlled cryptographic equipment
- Troubleshooting equipment using technical manuals and schematic drawings
- Performing unit maintenance on special and common hand tools, as well as test, measurement and diagnostic equipment
- Requisitioning and maintaining shop and bench stock
- Inspecting and maintaining electrical systems
- Replacing faulty wiring
- Soldering electrical connections
- Repairing or replacing instruments, such as tachometers, temperature gauges and altimeters
- Reading electrical wiring diagrams

http://www.ted.com The feeling of security and the reality of security don't always match, says computer-security expert Bruce Schneier. At TEDxPSU, he explains why we spend billions addressing news story risks, like the "security theater" now playing at your local airport, while neglecting more probable risks -- and how we can break this pattern.

Terence Spies has over 19 years of security and systems software development experience, working with leading companies such as Microsoft, Asta Networks and others. He is frequently quoted by business and technology press on today’s top cybersecurity issues.
Terence currently serves as Chief Technology Officer for Voltage Security, overseeing the expansion of Voltage technology into new application areas such as mobility, payments and other areas where application data security is required.
Prior to joining Voltage, Terence worked at Asta Networks as Director of Development and VP of Engineering. Before Asta, Terence was with Microsoft for almost 9 years where he started the public key cryptography group and led the development of Microsoft Crypto API. While at Microsoft, Terence also designed the SSL server and client side implementations for Microsoft Internet Explorer, participated in the PCT/TLS protocol design, led the development team for the Microsoft Certificate Server and led the integration of the certificate server and active directory. Terence is active within the standards community and currently serves as chair of X9F1, the Cryptographic Tools group of X9 whose charter is to draft cryptographic algorithm standards for use in the financial industry.
Terence graduated with a Bachelor of Science degree in Logic and Computation from Carnegie Mellon University.
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Cryptocurrencies use a ton of electricity because of mining. In recent years people started working on a different technique called Proof-of-Stake. Not only does it use less energy, it can also be more secure.
(This video is a re-upload to fix a mistake I made in the previous one. Sorry about that!)
📚 Sources for this video:
https://www.savjee.be/videos/simply-explained/proof-of-stake/
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Skycoin is bringing the decentralized internet to the blockchain with their Skywire, Obelisk, & Skyminer technology. Here's 11 things you need to know about SKY coin.
Skycoin is a blockchain-based project that, aside from cryptocurrency, tackles the development of energy-efficient custom hardware, the elimination of mining rewards, achieving transaction speeds that can hold their own with the likes of Visa, & the development of a “new Internet” that features improvements in terms of privacy & security. The same centralization tendency can also be historically observed with Internet Service Providers. ISPs can also exploit customers further by selling their information to interested 3rd parties. The Skycoin team aims to return to the initial ideals of decentralization put forward by Satoshi Nakamoto while also building a truly decentralized mesh-Internet that puts control into the hands of the users; freeing them from their dependence on ISPs. Skycoin doesn’t rely on Proof-of-Work or Proof-of-Stake consensus algorithms. Its developers use a new distributed consensus algorithm called Obelisk, which they describe as a “Web-of-Trust.” As the central component of Skycoin’s ecosystem, Obelisk improves security & greatly increases transaction speeds. The web-of-trust means that influence is distributed over the network. Since there’s no mining involved, the web is instead made up of nodes; each of them subscribing to a list of trusted nodes and, as such, those with more subscribers have more influence in the network. Every node is given a personal blockchain that essentially represents a transparent “public broadcasting channel,” where each action is recorded & visible. There are no fixed ports, & nodes are addressed by their public cryptographic keys with their IP addresses known only by the nodes they connect with directly. Communication & consensus decisions taking place on a node’s personal blockchain can easily be audited by the community without sacrificing privacy. Block-Making nodes send their input to Consensus Nodes, & even though their algorithms are separate from one another, both node types operate on the same data structures. Both Block-Making Nodes as well as Consensus Nodes perform fraud detection & authorship verification on incoming data. There are no fees for Skycoin transactions. Instead, transactions cost Coin Hours. An exchange is in the works for converting & establishing exchange rates between Coin Hours & Skycoin. Coin Hours somewhat resemble gas in Ethereum; the key difference being that they operate as a parallel currency in the Skycoin ecosystem & are tradeable on exchanges. It aims to create a decentralized mesh network that’s cheaper, faster, more accessible, & that provides a higher quality service. Skywire has been in development for over 4 years, & the project has already taken its first steps towards developing 4 major aspects critical to building a new Internet. These are the communication protocol, the payment protocol, a hardware platform, & an application ecosystem. Skywire moves away from TCP/IP & employs Multi-Protocol Label Switching (or MPLS) techniques to ensure the high-performance & highly-scalable movement of any data across any environment. MPLS means that movement through the network is established before traffic is sent out. MPLS is less computationally-demanding & more secure than the current model. Nodes on the packet’s route will only see its previous & next hop, & not its content, source, or destination. MPLS is also economically stimulating. Source nodes using Skywire will have complete control over routing protocol & will naturally opt to send traffic over routes with low latency, cost, & hop-count. Every participating node within the Skywire ecosystem can benefit from its embedded payment protocol. Nodes basically act as micro-ISPs capable of automatic metering, billing, & settlement, & they earn SKY coins for powering the network. Tthe Skywire mesh network pays users for supporting it. Skywire’s computing power, storage capacity, & networking capabilities are provided by custom-built hardware VPN units called Skyminers. Fiber is presented by the team as the “infinitely-scalable & highly customizable parallel peer-chain architecture of the Skycoin platform.” It enables 3rd parties to develop secure, scalable decentralized apps. The Skycoin team has also created a new deterministic programming language called CX that builds more than just smart contracts. Synth is one of Bitcoin’s earliest developers & he started working on Skycoin around 8 years ago; fueled by the idea of building a decentralized Internet. He has a background in symbolic logic, distributed systems, & mathematics.
Disclaimer: This is not financial advice. I absolve myself of all responsibility (directly or indirectly) for any damage, loss caused, alleged to be caused by, or in connection with the use of or reliance on any content, goods or services mentioned in this article. As usual, DYOR.

Listen to the Podcast (audio) version:
https://goo.gl/grtBfJ
Bruce Schneier is a fellow and lecturer at the Harvard Kennedy School and the Berkman-Klein Center for Internet and Society. He is a special advisor to IBM Security and a board member of the Electronic Frontier Foundation, Access Now, and the Tor Project. You can find him on Schneier.com and on twitter at @schneierblog
He is the author of Data and Goliath, Applied Cryptography, Liars and Outliers, Secrets and Lies, and Beyond Fear: Thinking Sensibly about Security in an Uncertain World. His new book is Click Here to Kill Everybody, which we discuss at length, as well as:
• How to protect yourself from being hacked and what to do if you are hacked
• Why companies do not invest more in software security
• The motivation of hackers: money, power, fun
• The probability of your car being hacked and driven into a wall
• The probability of planes being hacked and felled from the sky
• Edward Snowden and Wikileaks: hero or villain
• The Pentagon Papers and Daniel Ellsberg
• What would happen if the electrical grid was hacked
• Cyberdeaths (homicides done remotely over the Internet) and how the government will respond with regulations when it does
• If the government were to set a policy for the security level of an IoT device that can kill people, is there a maximum allowed probability that it could be hacked?
• The North Korean hack of Sony
• The Russian hack of the 2016 election and how to prevent that from happening again
• Why we’re still using paper ballots in our voting system rather than computers and ATMs like banks use.
• The lessons of Y2K for the coming AI apocalypse
• What keeps him up at night
This dialogue was recorded on January 21, 2019 as part of the Science Salon Podcast series hosted by Michael Shermer and presented by The Skeptics Society, in California.
Listen to Science Salon via iTunes, Spotify, Google Play Music, Stitcher, iHeartRadio, TuneIn, and Soundcloud
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Presented at the Singularity University's Innovation Partnership Program (IPP), this is an entry level talk about bitcoin by Andreas Antonopoulos.
Are you a newcomer who wants to learn about Bitcoin and open blockchains? I have a playlist for you: https://www.youtube.com/playlist?list=PLPQwGV1aLnTuN6kdNWlElfr2tzigB9Nnj
RELATED:
Bitcoin for Beginners - https://youtu.be/UlKZ83REIkA
Blockchain for Beginners - https://youtu.be/i9nUMvpT2rM
Bitcoin: Where the Laws of Mathematics Prevail - https://youtu.be/HaJ1hvon0E0
The Stories We Tell About Money - https://youtu.be/ONvg9SbauMg
The Lion and the Shark: Divergent Evolution in Cryptocurrency - https://youtu.be/d0x6CtD8iq4
Andreas M. Antonopoulos is a technologist and serial entrepreneur who has become one of the most well-known and well-respected figures in bitcoin.
Follow on Twitter: @aantonop https://twitter.com/aantonop
Website: https://antonopoulos.com/
He is the author of two books: “Mastering Bitcoin,” published by O’Reilly Media and considered the best technical guide to bitcoin; “The Internet of Money,” a book about why bitcoin matters.
Subscribe to the channel to learn more about Bitcoin & open blockchains; click on the red bell to enable notifications about new videos!
MASTERING BITCOIN, 2nd Edition: https://amzn.to/2xcdsY9
Translations of MASTERING BITCOIN: https://bitcoinbook.info/translations-of-mastering-bitcoin/
THE INTERNET OF MONEY, v1: https://amzn.to/2ykmXFs
THE INTERNET OF MONEY, v2: https://amzn.to/2IIG5BJ
Translations of THE INTERNET OF MONEY:
Spanish, 'Internet del Dinero' (v1) - https://amzn.to/2yoaTTq
French, 'L'internet de l'argent' (v1) - https://www.amazon.fr/Linternet-largent-Andreas-M-Antonopoulos/dp/2856083390
Russian, 'Интернет денег' (v1) - https://www.olbuss.ru/catalog/ekonomika-i-biznes/korporativnye-finansy-bankovskoe-delo/internet-deneg
Vietnamese, 'Internet Của Tiền Tệ' (v1) - https://alphabooks.vn/khi-tien-len-mang
MASTERING ETHEREUM (Q4): https://amzn.to/2xdxmlK
Music: "Unbounded" by Orfan (https://www.facebook.com/Orfan/)
Outro Graphics: Phneep (http://www.phneep.com/)
Outro Art: Rock Barcellos (http://www.rockincomics.com.br/)

Cryptography is hotter than ever but few people are aware of its technical history. For this video Retronics invited two experts in the field, Paul Reuvers and Marc Simons who have a fantastic collection of old and rare gear to show, discuss and demo live on camera. Do not miss this opportunity to see a PIC-driven Enigma or a World War 2 Spy Set.

Full title
Miodrag Mihaljević - A Framework for Data Encryption Based on Joint Employment of Cryptography and Coding
Abstract
An important topic of Data Science is Data Security where data confidentiality appears as a very important issue. When a heavy employment of encryption is necessary, minimization of the overheads and fit into the implementation constraints are required which preserve cryptographic security as well. Accordingly, this talk addresses an approach for design of compact encryption which supports minimization of the overheads, fits into asymmetric implementation constraints and provides certain level of the provable security.
The addressed approach is based on a combination of traditional encryption and coding in order to provide security enhancement of lightweight encryption algorithms which fits into the implementation constraints
About the lecturer
Miodrag J. Mihaljević has received his B.Sc. and M.S. degrees in electrical engineering from University of Belgrade, Serbia (Yugoslavia), and received his Ph.D. degree in 1990. He is a Research Professor and the Projects Leader at the Mathematical Institute, Serbian Academy of Sciences and Arts, Belgrade, and serves as Deputy Director of the Institute. His main research areas are cryptology and information security. He has published more than 100 research papers in the leading international journals, books and conference proceedings (including over 50 papers in IEEE journals, Journal of Cryptology, Phys. Rev. A, Computing, IET Information Security, Inform. Process. Lett., LNCS, IEICE Transactions, and as certain book chapters), and over 200 publications in total. He is co-inventor of 6 granted patents in U.S, Japan and China. His research results have been cited more than 2000 times in the leading international publications. He has participated in over 10 international research projects and has served over 150 times as the reviewer for the leading international journals and conferences. He has held long-term visiting positions at the University of Tokyo, IMAI Lab (1997-2001 and 2004-2005), Sony Computer Science Labs (2001-2002), Sony Corporation Labs (2002-2003), Tokyo, the Research Centre for Information Security (RCIS), National Institute of Advanced Industrial Science and Technology (AIST), Tokyo, Japan (2006-2012), Invited Senior Researcher at the Research Institute for Secure Systems (RISEC), National Institute AIST, Tsukuba, Japan (2012-2013), Invited Researcher and Professor at the Chuo University, IMAI Lab., Tokyo, Japan (2013-2014) and Project Professor at IIS, The University of Tokyo (2014-2016). Dr. Mihaljević is a recipient of the 2013 Award of Serbian Academy of Sciences and Arts for ten years achievements, and is an elected member of the Academia Europaea from 2014.
Homepage
http://www.mi.sanu.ac.rs/cv/cvmihaljevic.htm

Prof Aggelos Kiayias at Shanghai Jiao Tong University | Proving the security of blockchain protocols.
A video presentation with Prof Aggelos Kiayias at Shanghai Jiao Tong University & Winter School on Cryptocurrency and Blockchain Technologies, Filmed on location in Shanghai January 15th - 17th 2017.
Prof Aggelos Kiayias is the Chair in Cyber Security and Privacy at the University of Edinburgh. His research interests are in computer security, information security, applied cryptography and foundations of cryptography with a particular emphasis in blockchain technologies and distributed systems, e-voting and secure multiparty protocols as well as privacy and identity management. He joins IOHK as chief scientist through a long-term consulting agreement between IOHK and the University of Edinburgh, UK, where he is based and continues to do research and teach courses in cyber security and cryptography. Prof Kiayias is also Professor in Residence (gratis) at the University of Connecticut, USA, and Associate Professor of Cryptography and Security (on leave) at the National and Kapodistrian University of Athens, Greece.
Prof Kiayias’s cyber security research over the years has been funded by the Horizon 2020 programme (EU), the European Research Council (EU), the General Secretariat for Research and Technology (Greece), the National Science Foundation (USA), the Department of Homeland Security (USA), and the National Institute of Standards and Technology (USA). He has received an ERC Starting Grant, a Marie Curie fellowship, an NSF Career Award, and a Fulbright Fellowship. He holds a Ph.D. from the City University of New York and he is a graduate of the Department of Mathematics at the University of Athens. He has more than 100 publications in journals and conference proceedings in the area.
He currently serves as the program chair of the Financial Cryptography and Data Security 2017 conference.
https://iohk.io/team/aggelos-kiayias/
Cryptocurrencies like Bitcoin have proven to be a phenomenal success. The underlying blockchain techniques hold a huge promise to change the future of financial transactions, and even our way of computation and collaboration. Both development community and research community have recently made significant progresses. But at the same time, we are facing many challenges.
This winter school aims to bring together the communities working on cryptocurrency and blockchain technologies. The target audience is anyone (students, researchers, developers, professionals) with an interest in cryptography and security.
The lectures in the school will be given by world leading researchers in this area (such as Professors Jonathan Katz and Aggelos Kiayias - IOHK). All lectures will be self-contained, and we don’t assume the participants to have cryptography background.
In this winter school, we will study a comprehensive set of topics about blockchain technologies, including: Bitcoin basics; Analysis of Nakamoto consensus in cryptographic setting and in game-theoretical setting; Ethereum and smart contracts; Alternative approaches to mining and consensus; Scalability; Anonymity.
Input Output
Founded in 2015 by Charles Hoskinson and Jeremy Wood, IOHK is a technology company committed to using peer-to-peer innovations to provide financial services to the three billion people who don’t have them.
Cascading disruption
It is the founding principle of IOHK. Cascading disruption is the idea that most of the structures that form the world’s financial, governance and social systems are inherently unstable and thus minor perturbations can cause a ripple effect that fundamentally reconfigures the entire system. Our company is committed to identifying and developing technology to force these perturbations in order to push towards a more fair and transparent order.
Projects we work on
Currently IOHK is studying new tools and paradigms for cryptographic research and the architecture of cryptocurrencies. More specifically, we are collaboratively developing an open-source library for universal composability and the Scorex project. We also do for-profit work aligned with our mission, vision and goals.
The mission of IOHK
We view the world as a series of giant and mostly interconnected social graphs with hundreds of complex systems embedded. Our mission is to perturb the graphs to a more connected, transparent and fair configuration for both the flow of ideas and value.
Get our latest news updates: https://iohk.io/blog/
Meet the team: https://iohk.io/team/
Learn about our projects: https://iohk.io/projects/cardano/
Read our papers: http://iohk.link/paper-ouroboros
Visit our library: https://iohk.io/research/library/
In the press: https://iohk.io/press/
Work with us: https://iohk.io/careers/

It is a mono-alphabetic cipher wherein each letter of the plaintext is substituted by another letter to form the ciphertext. It is a simplest form of substitution cipher scheme
Modern cryptography uses sophisticated mathematical equations (algorithms) and secret keys to encrypt and decrypt data. Today, cryptography is used to provide secrecy and integrity to our data, and both authentication and anonymity to our communications.
Network security attacks and services
https://youtu.be/-ZHWhaLInik
What is network security explained in minutes
https://youtu.be/vqavFou2oxk
Predefined functions in PHP
https://youtu.be/ewmWqm2H-AA
Cryptography or cryptology (from Greek κρυπτός kryptós, "hidden, secret"; and γράφειν graphein, "to write", or -λογία -logia, "study", respectively[1]) is the practice and study of techniques for secure communication in the presence of third parties called adversaries.[2] More generally, cryptography is about constructing and analyzing protocols that prevent third parties or the public from reading private messages;[3] various aspects in information security such as data confidentiality, data integrity, authentication, and non-repudiation[4] are central to modern cryptography. Modern cryptography exists at the intersection of the disciplines of mathematics, computer science, electrical engineering, communication science, and physics. Applications of cryptography include electronic commerce, chip-based payment cards, digital currencies, computer passwords, and military communications.
Cryptography prior to the modern age was effectively synonymous with encryption, the conversion of information from a readable state to apparent nonsense. The originator of an encrypted message shared the decoding technique needed to recover the original information only with intended recipients, thereby precluding unwanted persons from doing the same. The cryptography literature often uses the name Alice ("A") for the sender, Bob ("B") for the intended recipient, and Eve ("eavesdropper") for the adversary.[5] Since the development of rotor cipher machines in World War I and the advent of computers in World War II, the methods used to carry out cryptology have become increasingly complex and its application more widespread.
Modern cryptography is heavily based on mathematical theory and computer science practice; cryptographic algorithms are designed around computational hardness assumptions, making such algorithms hard to break in practice by any adversary. It is theoretically possible to break such a system, but it is infeasible to do so by any known practical means. These schemes are therefore termed computationally secure; theoretical advances, e.g., improvements in integer factorization algorithms, and faster computing technology require these solutions to be continually adapted. There exist information-theoretically secure schemes that probably cannot be broken even with unlimited computing power—an example is the one-time pad—but these schemes are more difficult to implement than the best theoretically breakable but computationally secure mechanisms.
The growth of cryptographic technology has raised a number of legal issues in the information age. Cryptography's potential for use as a tool for espionage and sedition has led many governments to classify it as a weapon and to limit or even prohibit its use and export.[6] In some jurisdictions where the use of cryptography is legal, laws permit investigators to compel the disclosure of encryption keys for documents relevant to an investigation.[7][8] Cryptography also plays a major role in digital rights management and copyright infringement of digital media.[9]
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Please watch: "How to buy a domain name from GoDaddy 2019"
https://www.youtube.com/watch?v=ULV2vE1Ptio
How to make a calling app in android
https://www.youtube.com/watch?v=8VHRLWDmaHo
How to create drawing android app in mit app inventor 2
https://www.youtube.com/watch?v=FimKlZH6Lkg
How to make android calculator app using mit app
https://www.youtube.com/watch?v=W39tJVxbvSM
How to upload android app in google play store
https://www.youtube.com/watch?v=KIPf9pBi89k
how to create camera app in mit app inventor 2
https://www.youtube.com/watch?v=o-bYys8v9g4
How to create first android app in mit app inventor
https://www.youtube.com/watch?v=pZWdFEzCZP0
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By: Lucas Apa & Carlos Mario Penagos
The evolution of wireless technologies has allowed industrial automation and control systems (IACS) to become strategic assets for companies that rely on processing plants and facilities in industries such as energy production, oil, gas, water, utilities, refining, and petrochemical distribution and processing. Effective wireless sensor networks have enabled these companies to reduce implementation, maintenance, and equipment costs and enhance personal safety by enabling new topologies for remote monitoring and administration in hazardous locations.
However, the manner in which sensor networks handle and control cryptographic keys is very different from the way in which they are handled in traditional business networks. Sensor networks involve large numbers of sensor nodes with limited hardware capabilities, so the distribution and revocation of keys is not a trivial task.
In this presentation, we review the most commonly implemented key distribution schemes, their weaknesses, and how vendors can more effectively align their designs with key distribution solutions. We also demonstrate some attacks that exploit key distribution vulnerabilities, which we recently discovered in every wireless device developed over the past few years by three leading industrial wireless automation solution providers. These devices are widely used by many energy, oil, water, nuclear, natural gas, and refined petroleum companies.
An untrusted user or group within a 40-mile range could read from and inject data into these devices using radio frequency (RF) transceivers. A remotely and wirelessly exploitable memory corruption bug could disable all the sensor nodes and forever shut down an entire facility. When sensors and transmitters are attacked, remote sensor measurements on which critical decisions are made can be modified. This can lead to unexpected, harmful, and dangerous consequences.

Wesley Tanner and Nick Lane-Smith: End-to-End Voice Encryption over GSM: A Different Approach
Where is end-to-end voice privacy over cellular? What efforts are underway to bring this necessity to the consumer? This discussion will distill for you the options available today, and focus on current research directions in technologies for the near future.
Cellular encryption products today make use of either circuit switched data (CSD), or high latency packet switched networks. We will discuss the advantages and disadvantages of these services, focusing on details of GSM cellular channels specifically. The highlight will be our current research project: encrypted voice over the GSM voice channel. We'll dig into how this works, and why it is useful.
This talk will touch on some fundamentals of modem design, voice codecs, GSM protocol basics, cryptographic protocols for voice links, and a bunch of other interesting stuff. There will be demonstrations with MATLAB/Octave and C, and we will provide some fun code to experiment with.
Wes is a systems engineer at a software-defined radio company in San Diego, California. He holds a B.S. in Electrical Engineering from Rensselaer Polytechnic Institute and is thinking of returning to school to formally study communication systems.
Nick is a security engineer at an innovative computer company in Cupertino, California. He holds a B.S. in Computer Science from the University of California, Santa Barbara and as far as I know, he is through with the school thing. He is currently unreachable in Antigua, so I suppose I could say anything here. I won't.